Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825)
06/2003
06/03/2003US6574478 System and method for locating mobile devices
06/03/2003US6573827 System and method of detecting vehicle speed limiting system tampering
05/2003
05/30/2003WO2003045084A2 Provision of location information
05/30/2003WO2003044556A2 Multiple antenna multi-frequency measurement system
05/30/2003WO2002046787A3 Flexible architecture gps receiver
05/30/2003WO2002041545A9 Wireless clock synchronization
05/29/2003US20030100313 Radio communication terminal and position specifying system
05/29/2003US20030098810 System for determining precise orbit of satellite and method thereof
05/28/2003EP1315308A1 Method and device of tracking BOC (Binary Offset Carrier) modulated radionavigation signals
05/28/2003EP1314046A2 Method and apparatus for using satellite status information in satellite positioning systems
05/28/2003CN1421071A Method and apparatus for reducing pilot search times utilizing mobile station location information
05/28/2003CN1420702A Improved location system in cellular communication network
05/27/2003US6570534 Low cost system and method for making dual band GPS measurements
05/27/2003US6570533 Method for determining the phase of information, and an electronic device
05/27/2003US6570531 Satellite navigation receiver designed for compatibility with aircraft automatic landing systems
05/27/2003US6570530 Method and apparatus providing improved position estimate based on an initial coarse position estimate
05/27/2003US6568629 Method and device for magnetic guidance, especially for tracking targets
05/23/2003CA2412136A1 Process and device for the calculation of the discriminating function of module signals with one or more sub-carriers
05/22/2003WO2003100454A1 Aiding in a satellite positioning system
05/22/2003WO2003043323A1 Using digital television broadcast signals to provide gps aiding information
05/22/2003WO2003042032A1 System for locating a person having fallen overboard
05/22/2003US20030097235 Method of surveying a track
05/22/2003US20030096624 Location systems in cellular communication networks
05/22/2003US20030096623 Apparatus and method for displaying direction and position information of portable terminal
05/22/2003US20030095069 Multiple pass location processing
05/21/2003EP1312227A1 Block communication transceivers with gps capability
05/21/2003EP1312219A2 Method of enhancing streaming media content
05/21/2003EP1312218A2 Method and system of creating enhancement content to be displayed with a television program
05/21/2003EP1312214A2 System and method for television enhancement
05/21/2003EP1312205A2 Set-top preview program
05/21/2003EP1311870A1 Apparatus for reducing auto-correlation or cross-correlation in weak cdma signals
05/21/2003CN1419654A Method, mobile stations and systems for acquiring global positioning system timing information
05/21/2003CN1109413C Method for doppler-replica harmonic avoidance in a GPS receiver
05/21/2003CN1109251C Satellite radiodetermination
05/21/2003CN1109234C Method and system of calibrating reference for leading two-way range-finding navigation as GPS
05/20/2003US6567833 Simultaneous computation of multiple complex number multiplication products
05/20/2003US6567712 Method for determining the co-ordinates of a satellite
05/20/2003US6567486 Apparatus and method for finding location of a mobile unit
05/20/2003US6567042 Acquisition through circular correlation by partition for GPS C/A code and P(Y) code
05/20/2003CA2364737A1 Multifunctional mobile appliance
05/15/2003WO2003040752A1 Pseudolite-based precise positioning system with synchronised pseudolites
05/15/2003WO2003040749A1 Method for transmitting status messages to user terminals of a satellite data link system, especially in a satellite navigation system
05/15/2003WO2003040748A1 Method for the ground-based monitoring of ewf-type anomalies in a positioning satellite signal
05/15/2003WO2003040747A2 Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
05/15/2003WO2002017642B1 Method and system of creating enhancement content to be displayed with a television program
05/15/2003US20030090414 Method, system and devices for positioning a receiver
05/15/2003US20030090413 Method, system and devices for positioning a receiver
05/15/2003CA2465764A1 Method for the ground-based monitoring of ewf-type anomalies in a positioning satellite signal
05/14/2003EP1309878A2 Track model constraint for gps position
05/14/2003EP1309837A2 Glideslope monitor for aircraft
05/14/2003EP1287375A4 Determining time in a gps receiver
05/13/2003US6564064 Cellular telephone using pseudolites for determining location
05/13/2003US6563460 Collision recovery in a wireless location system
05/13/2003US6563458 GPS reception system
05/08/2003WO2003039021A1 Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
05/08/2003WO2003038469A1 A method and device for chronologically synchronizing a location network
05/08/2003WO2003038467A2 Parameter estimator with dynamically variable integration time
05/08/2003WO2003038466A2 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
05/08/2003WO2003038464A2 Calibrated real time clock for acquisition of gps signals during low power operation
05/08/2003WO2003038463A2 Method and apparatus for spread spectrum signal acquisition
05/08/2003WO2002061450A3 Method and apparatus for determining location using a coarse position estimate
05/08/2003WO2001009634A3 Portable gps receiver for a personal safety system
05/08/2003US20030088741 Shared memory architecture in GPS signal processing
05/08/2003US20030086483 Method and apparatus for spread spectrum signal acquisition
05/08/2003US20030085841 Position location using broadcast television signals and mobile telephone signals
05/08/2003US20030085839 Methods and apparatuses of positioning a mobile user in a system of satellite differential navigation
05/08/2003US20030085837 Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
05/08/2003CA2479579A1 A method and device for chronologically synchronizing a location network
05/08/2003CA2464930A1 Parameter estimator with dynamically variable integration time
05/08/2003CA2464928A1 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
05/07/2003EP1308746A2 Filter for inertially augmented landing system
05/07/2003EP1307762A2 Method, apparatus, and system for gps signal prediction
05/07/2003EP1307760A1 Navigating acoustic device for skin diving
05/07/2003EP1307704A1 Measuring device and measuring method for determining distance and/or position
05/07/2003EP1238485A4 Strong signal cancellation to enhance processing of weak spread spectrum signal
05/07/2003CN1416530A Location-determination method and appts.
05/07/2003CN1415974A Local area real time self-difference position identifying system and identifying method thereof
05/06/2003US6560535 Global positioning system roadside integrated precision positioning system
05/06/2003US6560534 Method and apparatus for distributing satellite tracking information
05/06/2003US6559795 High-sensitivity infrequent use of servers
05/06/2003US6559794 Position determining system, receiving system method of determining the position of a movable object and method of receiving data regarding the position
05/02/2003EP1306688A1 Method and apparatus for determining time in a satellite positioning system
05/02/2003EP1306491A2 Method and apparatus for design placement for earthmoving applications
05/02/2003EP1305898A1 Gps based tracking system
05/02/2003EP1305886A1 Method and apparatus for location determination of a cellular telephone
05/02/2003EP1305735A1 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
05/01/2003WO2003036886A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
05/01/2003WO2003036322A2 Method for open loop tracking gps signals
05/01/2003WO2003035427A2 Individual transport control and communication system
05/01/2003WO2003017503A3 Spread spectrum receiver architectures and methods therefor
05/01/2003US20030083817 Real time self differential global positioning system and method for a moving station in a local area, and terminal global positioning system using the same
05/01/2003US20030083816 Portable terminal device
05/01/2003US20030083814 Calibrated real time clock for acquisition of GPS signals during low power operation
05/01/2003US20030083804 Computer human methods for the control and management of an airport
05/01/2003US20030083792 Skipping filter for inertially augmented landing system
05/01/2003US20030081662 Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
05/01/2003US20030081661 Parameter estimator with dynamically variable integration time
05/01/2003US20030081660 Spread spectrum receiver architectures and methods therefor
05/01/2003US20030081582 Aggregating multiple wireless communication channels for high data rate transfers
05/01/2003CA2464409A1 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
1 ... 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 ... 159